Answer:
2.8 in decimal form
Step-by-step explanation:
Answer:
27 inches
Step-by-step explanation:
the formula for the circumference is 2 × pi × r
so: 2 × pi × r = 84.78
so 84.78/2pi = r
r = 13.5
we want the diameter which is 2 x r
so the diameter is 27
Answer: No. The triangles are not congruent because their side lengths are different.
Step-by-step explanation:
Answer:
f(x) = -x^2 - 6x - 10
Step-by-step explanation:
Please write the original equation as f(x) = -(x + 3)2 - 1, as "(x + 3)2 is meaningless. We want:
f(x) = -(x + 3)^2 - 1, where " ^ " denotes exponentiation.
Expanding this, we get:
f(x) = -(x^2 + 6x + 9) - 1, or
f(x) = -x^2 - 6x - 9 - 1, or:
f(x) = -x^2 - 6x - 10 This matches the first answer choice.